PSSH-50L. Functional headlight helmet. It is suitable for safe riding in outdoor sports such as bicycles, mountain bikes, scooters, roller skating, electric motorcycles, rock climbing, road bikes, etc. Functional headlight helmet: PSBH-51Mneo Main material: PC+EPS Head circumference size: 57-61cm, 310g Battery capacity: 3.7V / 450mAh (1.665WH) Electrical parameters: USB TYPE DC 5V/0.5A Charging mode: Magnetic charging for 2h Battery life: 4-6h Function lights: light-sensing mode (fast flash, tide), constant light mode (burst flash), automatic brake warning light, MP3+ light lasting 6h, ARGB LED colorful tail light+left/right turn signal>10h To achieve substantive business transactions, and enjoy more preferential policies Step Price (FOB): 1.Single price USD80.77 2. 20set, USD48.46 3. 40set, USD43.61 4. 60set, USD39.25 5. 80set, USD35.33 6. 100set, USD31.80